Employees Test Scores Narrative

question 107

Essay

Employees Test Scores Narrative
A random sample of 35 employees who completed two years of college were asked to take a basic mathematics test. The mean and standard deviation of their scores were 75.1 and 12.8, respectively. In a random sample of 50 employees who completed only high school, the mean and standard deviation of the test scores were 72.1 and 14.6, respectively.
-Refer to Employees Test Scores Narrative. Can we infer at the 10% significance level that a difference exists between the two groups?

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Definitions:

Normally Distributed

This symmetric distribution about the mean suggests that events are more likely to happen closer to the mean than farther from it.

Standard Deviation

An index that evaluates the extent of variation or scatter of data points from the dataset's average.

Performance Management Systems

Frameworks used by organizations to monitor, manage, and improve the performance of employees through goal clarity, continuous feedback, and performance appraisals.

Creative Problem Solving

A method that uses innovative and imaginative approaches to find solutions to complex problems.